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authorChristian Breunig <christian@breunig.cc>2023-12-07 21:30:57 +0100
committerMergify <37929162+mergify[bot]@users.noreply.github.com>2023-12-08 17:06:26 +0000
commit14b107442ebf1f4f44bad485c585d4b9cfd97384 (patch)
treebc6650c325c1eee90ee5f47bf7101818a8531b28 /src/conf_mode/system-login.py
parent7f081cadd0855ebc1104919329c11c98de1445f1 (diff)
downloadvyos-1x-14b107442ebf1f4f44bad485c585d4b9cfd97384.tar.gz
vyos-1x-14b107442ebf1f4f44bad485c585d4b9cfd97384.zip
login: T4943: use pam-auth-update to enable/disable Google authenticator
The initial version always enabled Google authenticator (2FA/MFA) support by hardcoding the PAM module for sshd and login. This change only enables the PAM module on demand if any use has 2FA/MFA configured. Enabling the module is done system wide via pam-auth-update by using a predefined template. Can be tested using: set system login user vyos authentication plaintext-password vyos set system login user vyos authentication otp key 'QY735IG5HDHBFHS5W7Y2A4EM274SMT3O' See https://docs.vyos.io/en/latest/configuration/system/login.html for additional details. (cherry picked from commit e134dc4171b051d0f98c7151ef32a347bc4f87e2)
Diffstat (limited to 'src/conf_mode/system-login.py')
-rwxr-xr-xsrc/conf_mode/system-login.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/conf_mode/system-login.py b/src/conf_mode/system-login.py
index 87a269499..cd85a5066 100755
--- a/src/conf_mode/system-login.py
+++ b/src/conf_mode/system-login.py
@@ -306,6 +306,7 @@ def generate(login):
def apply(login):
+ enable_otp = False
if 'user' in login:
for user, user_config in login['user'].items():
# make new user using vyatta shell and make home directory (-m),
@@ -350,6 +351,7 @@ def apply(login):
# Generate 2FA/MFA One-Time-Pad configuration
if dict_search('authentication.otp.key', user_config):
+ enable_otp = True
render(f'{home_dir}/.google_authenticator', 'login/pam_otp_ga.conf.j2',
user_config, permission=0o400, user=user, group='users')
else:
@@ -398,6 +400,11 @@ def apply(login):
pam_profile = 'tacplus-optional'
cmd(f'pam-auth-update --enable {pam_profile}')
+ # Enable/disable Google authenticator
+ cmd('pam-auth-update --disable mfa-google-authenticator')
+ if enable_otp:
+ cmd(f'pam-auth-update --enable mfa-google-authenticator')
+
return None